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The lastest public opinion poll showed that ball screws made by Hanjiang Machine Tools Co.,Ltd are the most poplular one in China.
This nation wide poll was organized by Rolling Parts Union of China Machine Tools Industrial Association and Machinery Worker magzine. The results of this poll were just released several days ago in Shanghai.
It takes half a year to poll about 4000 people all over the country. People took part in this poll were from the machinery industry and finnal statistics were worked out by professionals. Thus, result of this poll is definitely reliable and authentic.
Hanjiang Machine Tools Co.,Ltd, founded in 1969, is an state-run factory, mainly producing precision thread grinder, processing unit, precision measuring tool, CNC machine tools, rolling elements etc.
At present, they employ over 2300 people, 300 of which are intermediate and advanced technical staffs. Also they have their own state level research institute, which had helped them reach over 70 achievements. In order to increase the technical content of their ball screw, they set up the Hanjiang Rolling Elements Institute in Kunshan.
Hanjiang Machine Tool Co.,Ltd
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| K25577-25523 bearing | 42.875 | 82.931 | 26.988 |
| K3585-3525 bearing | 41.275 | 87.313 | 30.163 |